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Jurnal Lembaga Penelitian Universitas Mataram
Published by Universitas Mataram
ISSN : -     EISSN : -     DOI : -
Core Subject : Science,
Decision Sciences, Operations Research & Management
Jurnal Penelitian adalah Jurnal yang diterbitkan Lembaga Penelitian Universitas Mataram, memuat artikel ilmiah yang berupa hasil penelitian. Jurnal Penelitian diterbitkan 6 bulan sekali yaitu edisi Februari dan Agustus. Redaksi menerima tulisan baik dari Universitas Mataram dan luar Universitas.
Arjuna Subject : -
Articles 23 Documents
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HIDROFOBISITAS, KOAGREGASI DAN KEMAMPUAN PENEMPELAN ISOLAT VIBRIO SPP. ASAL LOMBOK TENGAH Faturrahman, Faturrahman
Jurnal Penelitian Vol 2, No 17 (2012): JLemlit vol 2 No 17
Publisher : Universitas Mataram

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Abstract

Vibrio telah lama dimanfaatkan dalam industri bioteknologi. Tujuan penelitian ini adalahuntuk mengevaluasi derajat hidrofobisitas, koagregasi dan penempelan beberapa galur Vibrio kandidat probiotik. Isolat yang digunakan adalah Vibrio sp. galur Abn1.2, galur Alg3.1 dan galur Alg4.2. Derajat hidrofobisitas dan koagregasi sel Vibrio diukur berdasarkan kerapatan optik pada panjang gelombang 600nm, sedangkan kemampuan penempelan diukur berdasarkan pertumbuhan jumlah sel pada lempeng baja sainless dalam cfu/cm2. Hasil penelitian menunjukkan bahwa persentase hidrofobisitas paling tinggi dicapai oleh isolat Abn1.2 yaitu sebesar 23.91, diikuti oleh Alg4.2 sebesar 22.98 persen dan Alg3.1 sebesar 11.84 persen. Ketiga galur kecenderungan membentuk agregasi yang berbeda ketika dipasangkan. Persentase koagregasi tertinggi dicapai oleh pasangan Abn1.2 dengan Alg3.1 sebesar 8.79 persen dan yang terendah adalah pasangan Abn1.2 dengan Alg4.2 sebesar 6.85 persen. Hasil uji penempelan menunjukkan bahwa ketiga isolat mampu menempel dan tumbuh pada lempeng baja stainless.
Perbaikan Kecernaan Gracilaria sp. oleh Abalon (Haliotis asinina) melalui Pemberian Probiotik Pendegradasi Agar-Agar Faturrahman, Faturrahman
Jurnal Penelitian Vol 17, No 2 (2013): JLemlit vol 17 No 2
Publisher : Universitas Mataram

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Gracilaria sp. merupakan pakan utama abalone. Kandungan agar-agar yang tinggi menyebabkan tingkat  kecernaan Gracilaria sp. menjadi rendah. Tujuan penelitian ini adalah untuk meningkatkan kecernaan Gracilaria sp. melalui pemberian probiotik yang dapat mendegradasi agar-agar. Galur bakteri probiotik yang digunakan adalah Vibrio natriegens Alg3.1 dan V. natriegens Abn1.2. Tingkat kecernaan Gracilaria diukur berdasarkan selisih kadar agar-agar  dan gross energy yang terdapat pada pakan dengan kadar agar-agar  dan gross energy yang terdapat pada feses. Hasil penelitian menunjukkan bahwa terjadi peningkatan kecernaan agar-agar dari 34% pada abalone tanpa probiotik menjadi 41% pada abalone yang disuplentasi probiotik. Energy tercerna meningkat dari  77% menjadi 84%. Ini berarti suplementasi probiotik pendegradasi agar dapat meningkatkan kecernaan komponen Gracilaria dan berpotensi meningkatkan laju pertumbuhan abalone.
KEMAMPUAN ISOLAT BAKTERI ASAM LAKTAT LOKAL DALAM MENGASIMILASI KOLESTEROL PADA MEDIA YANG MENGANDUNG EKSTRAK BAWANG MERAH Hastuti, Devi Yuryana
Jurnal Penelitian Vol 17, No 1 (2013): JLemlit vol 17 No 1
Publisher : Universitas Mataram

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Peningkatan kadar kolesterol pada darah manusia merupakan salah satu faktor resiko yang berhubungan dengan penyakit jantung koroner. Beberapa penelitian in vitro dan in vivo menunjukkan bahwa bakteri asam laktat strain tertentu memiliki kemampuan untuk mengasimilasi kolesterol. Tujuan penelitian ini adalah untuk mengetahui kemampuan asimilasi kolesterol bakteri asam laktat asal susu kerbau dalam media yang mengandung ekstrak bawang merah. Penelitian ini bersifat eksperimental laboratoris dengan menggunakan rancangan acak lengkap faktorial. Persentase kolesterol yang diasimilasi ditentukan berdasarkan metode Rudel-Morris. Hasil yang diperoleh menunjukkan kemampuan asimilasi kolesterol paling baik dimiliki oleh isolat SKD2 pada konsentrasi ekstrak bawang merah 0,8% dengan persentase asimilasi kolesterol sebesar 75,55%. Kesimpulannya, bakteri asam laktat asal susu kerbau yang ditumbuhkan dalam media yang mengandung ekstrak bawang merah memiliki kemampuan asimilasi kolesterol yang tinggi.
EFFECT OF CATALYST IN SYNTHESIS POLYOL CORE OF OIL SEEDS KENARI (Canarium commune) METHOD EPOXIDATION ., Murniati; Seno Handayani, Sri
Jurnal Lembaga Penelitian Universitas Mataram Vol 18, No 1 (2014): Jurnal Penelitian
Publisher : Jurnal Lembaga Penelitian Universitas Mataram

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Research has been done on the effect of catalyst type polyol synthesis of walnut kernel oil epoxidation method in order to know whether the walnut kernel oil can be used as raw material for making polyols with epoxidation method, determine the effect of catalyst on the synthesis of polyol type and the nature of the physico-chemical polyol formed. From the research, walnut kernel oil can be used as raw material for the manufacture of polyols with a way to transform core walnut methyl ester into polyols via epoxidation reactions. Retrieved changes in physico-chemical properties of methyl ester polyol core walnut into the dark yellow to yellow clear the HCl catalyst and Bentonite and dark yellow color on H2SO4 catalyst, iodine number of 107.45 mg iodine/g to 84.22 mg of methyl ester iodine/g polyol H2SO4, 66.92 mg iodine/g polyol HCl, and 30.82 mg iodine/g polyol bentonite. Percent (%) conversion of polyols derived polyol H2SO4 was 24.47%, 39.98% HCl polyols and polyols 72.36 bentonite. While the viscosity of the oil to be produced polyol is 0.61 cSt (oil), 1.13 cSt (polyol H2SO4), 1.22 cSt (polyol HCl), and 1.83 cSt (polyol bentonite).
APLICATION OF RECITATION METHOD BASED ON PAKEM AS EFFORTS TO IMPROVE STUDENT UNDERSTANDING OF THE CURRICULUM CONCEPT IN THE PGMIPABI PROGRAM AT PHYSICS EDUCATION Sahidu, Hairunisyah; ., Kosim; ., Hikmawati
Jurnal Lembaga Penelitian Universitas Mataram Vol 18, No 1 (2014): Jurnal Penelitian
Publisher : Jurnal Lembaga Penelitian Universitas Mataram

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Students understanding about the curriculum concept (Education Unit Level Curriculum) or Kurikulum Tingkat Satuan Pendidikan (KTSP) is not optimal. Students tend to get information about the curriculum through text books or the Internet. Direct observation of the implementation of the curriculum into schools still rarely done. As prospective teachers, students should go directly to the field to conduct visitation how the school curriculum is developed and implemented by parties concerned with the intended curriculum. Application of the method recitation (assignment) in a study based on a Active, Creative, Effective, and Fun Learning or Pembelajaran Aktif, Kreatif, Efektif, dan Menyenangkan (PAKEM) at Review of Curriculum and Content Analysis of Physics I aim to improve student understanding of curriculum concepts and develop devices use traditional methods of lecture with recitation (assignment) based on PAKEM. This research is a class act who performed in two cycles. Each cycle consists of the planning, implementation measures, observation and evaluation, and reflection. The subjects in this study were students taking a course Review of Curriculum and Content Analysis of Physics I in Math and Science Teacher Education Internationally or Pendidikan Guru MIPA Bertarat Internasional (PGMIPABI) program. Data obtained through the understanding of the concept of student evaluation tests given at each end of the cycle, while the student activity data obtained through observation sheet. Indicators of success used in this study is that if 85% of students achieving greater understanding of curriculum concepts or equal to 75. In the first cycle the average value of 82 and students are all completed, while in the second cycle values are the average student is 85. Student activities that most often arises is: "Delivering the opinion / Communicating information to the class or lecturer" by 28% in cycles in cycles I and II by 32%. Thus, application of methods based PAKEM recitation in the lecture can improve student understanding of curriculum concepts.
ESTIMATATION OF THE REQUIREMENT AND SUPPLY OF BALI CATTLE BREED AND BREEDING STOCK IN WEST LOMBOK REGENCY Sudrana, I Putu
Jurnal Lembaga Penelitian Universitas Mataram Vol 18, No 1 (2014): Jurnal Penelitian
Publisher : Jurnal Lembaga Penelitian Universitas Mataram

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The  objective of this research was to estimate the number of requirement  and supply of Bali cattle breed and breeding stock in region of West Lombok Regency. A survey  was conducted at three districts sample that was divided based on high, medium, and small population of Bali cattle and also based on the condition of transportation.  There were 31 farmers as respondent and 44 heads of Bali cattle were included. Descriptive  analysis   was used to analyse the data and information. The results  showed   that the estimate number of   breed stock required for replacement was  5.60% and 4.35% for males and females calve, respectively,   and for breeding stock of males was 5.39%,  but for females was 4.22%. The estimate number of supply for breed stock of males   was 1.81%  but  for females  was -0.31%, and for  breeding stock of females was 5.87%  both based on Anonymous, (2006 and 2009) standard, but for   breeding stock  of males were -3.15% based on Anonymous, (2009) standard and 3.56% based on standard of Anonymous, (2006).
SMS-BASED SYSTEMS ACADEMIC SERVICES, FACULTY OF ENGINEERING, UNIVERSITY OF MATARAM Widiartha, Ida Bagus Ketut
Jurnal Lembaga Penelitian Universitas Mataram Vol 18, No 1 (2014): Jurnal Penelitian
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Academic information system of Faculty of Engineering, University of Mataram, has prepared academic data such as the grade of each course, Grade Point per Semester (GPS) and Grade Point Average (GPA). This needs to be equipped with class schedule, data of lecturers, assignment information and other announcements, as supporting the academic process, so that the system be comprehensively. On the other hand, the use of phonecell among academics of the Faculty of Engineering are already commonly used, some use more than one phonecell, as a means of communication and other purposes.For these reasons, in this study built SMS-based System for Academic Services that provide convenience to the academic community of the Faculty of Engineering, which obtain academic information and academic support through SMS. “SMS Request” will be served by a particular format, in order to authenticate users, the phone number should be registered firstly. In addition, the system service can be used by parents as a tool to monitor their children. The decision maker can also use this system to obtain valid information through SMS
APLIKASI SERBUK ARANG KAYU DAN SERBUK CANGKANG KERANG MUTIARA SEBAGAI MEDIA CARBURIZER PROSES PACK CARBURIZING BAJA KARBON RENDAH ., Sujita
Jurnal Lembaga Penelitian Universitas Mataram Vol 18, No 1 (2014): Jurnal Penelitian
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This  research to investigate the effect of pearl powder addition in the process of carburization box to physical (microstructure) and mechanical properties (hardness test) of AISI 1018 after heat treatment.  In this research used a material of low carbon steel cylinder (AISI 1018). The process of making the specimen is done with to cut into several pieces, cutting done to ease in placing the specimen in the carburizing box, then wood charcoal powder and shell powder were weighed in accordance with the desired composition by mixing powder of 5 wt%, 10 wt%, and 15 wt%. The specimen was done heat treatment at a temperature of 9500C with the holding time at 2, 4 and 6 hours. Then, the specimen was done the Vickers hardness test, microstructure and composition  test. From this research it can be concluded that the highest hardness value was obtained at 15 wt% addition of shell powder it was 262.26 kg/mm2 and the initial material hardness value was 144.08 kg/mm2. From microstructure observation and composition test show that it subjected surface hardening because carbon diffusion into specimen.
SCIENTIFIC ARTICLES DEPICTION OF THE ROLE OF THE FAMILY FOR PREVENTING INFECTION OF TB (Tuberculosis) LUNG DISEASE IN WEST LOMBOK ON 2013 Supinganto, Agus; Metri, I Ketut; Supriyanto, S
Jurnal Lembaga Penelitian Universitas Mataram Vol 18, No 1 (2014): Jurnal Penelitian
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Affection in the family will produce an emotional atmosphere that affect the health of the family members themselves positively, including in the prevention of Tuberculosis disease infection. This study aimed to identify the role of the family to prevent the infection of TB (Tuberculosis) in West Lombok lung disease so that this research can be useful both theoretically and practically.This study used a descriptive survey design approach household survey (Household Survey). The populations in this study were all families with a family member suffering from pulmonary tuberculosis by BTA (+) in West Lombok, which 563 people in 2011. The sample quantities of this study are 85 by using purposive sampling method. While the data collection instrument using the checklist.Data is presented in narrative form, frequency distribution tables and percentages. The results showed that the role of families in preventing infection of TB disease in West Lombok ( 44.71 % ) were in the poor category , ( 29.02 % ) families identify health problems family members , ( 44.12 % ) families make the decision to take action appropriate health for the family . (74.12%) families providing care to family members, (31.76%) modifying the home environment to improve the health of the family, and (83.53%) Utilize family health care facility
DEVELOPMENT OF BIRDWATCHING ECOTOURISM IN GILI MENO Ahyadi, Hilman; Sudarma, I Made; Suana, I Wayan
Jurnal Lembaga Penelitian Universitas Mataram Vol 18, No 1 (2014): Jurnal Penelitian
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Mangrove forests around Lake Meno have a great potential to be developed as a tourist area, especially birdwatching. The people in Gili Meno have a high dependence on mangrove forests, mainly for firewood, causing its damage continually increased. Development of tourism infrastructure is also contributed to the problem of land use. This is because of no clarity in land use plan. Degradation of mangrove forests is a threat in the effort to develop of birdwatching ecotourism in Gili Meno, as well as threaten environmental sustainability. This is an action research, through Participatory Rural Aprecial method, aims to: 1) make a strategic plan of management of birdwatching ecotourism, in Gili Meno, 2) improve the quality of human resources as a birdwatching guides, and 3) improve the quality of natural resources as bird habitat. The study resulted in strategic plan of management of birdwatching ecotourism, that involving relevant stakeholders. It is hope that no conflict of interest in the land utilization. A total of 3,000 mangrove seedlings have also been successfully grown. Birdwatch training has also been successful in increasing knowledge and skills of Meno Lestaris Clubs in conducting birdwatch in the field. A total of 25 species of birds have been well identified by this club.

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